Tibet

1. Background of Tibet

Tibet, a mystical region in southwest China, is renowned for its majestic and spectacular natural landscapes and profound cultural heritage, making it a sacred place in the hearts of many. With a plateau climate characterized by low temperatures, low atmospheric pressure, sparse precipitation, and harsh ecological conditions, Tibet is often referred to as the “Roof of the World.” It boasts an average elevation of over 4,000 meters, making it the highest province in China.

2. Impact of High-Altitude Environments on Electronic Devices

Impact of High-Altitude Environments on Electronic Devices

Low Atmospheric Pressure:

• Reduced discharge voltage for external insulation.
• Decreased cooling efficiency necessitates enhanced thermal design.

Low Temperatures:

• Causes materials to become brittle, reducing equipment lifespan.

Large Diurnal Temperature Variations:

• Thermal expansion and contraction affect physical stability and longevity.
• Temperature differences degrade sealing performance, increasing failure rates.

Intense Solar Radiation:

• Accelerates aging of device casings and internal materials.
• Ultraviolet rays affect chemical stability and mechanical strength of materials.

Lightning Strikes and Static Electricity:

• Frequent lightning in high-altitude regions requires enhanced lightning protection design.
• Static discharge significantly impacts sensitive electronic components.

Question: Can commonly used communication devices in mainland China function normally in such harsh conditions in Tibet?

Answer: Yes, communication products are inevitably affected by such harsh environments.

Without further ado, let’s introduce a router device we used in Tibet back then.

SR500 Two Port 4G Industrial Router

3. Device Introduction

SR500-4G Industrial Wireless Router and SR800-5G Industrial Wireless Router are both high-performance, all-netcom industrial routers that integrate the latest networking technologies and VPN functionalities, catering to various application scenarios.

Wide Voltage Operation and Temperature Adaptability:

• The SR500 series supports DC 9~48V wide voltage input, featuring surge protection and reverse polarity protection, suitable for environments with unstable voltage.
• Designed to operate within a broad temperature range of -40℃~70℃, ensuring stable performance in both frigid and hot environments.
• Capable of adapting to low atmospheric pressure at high altitudes, ensuring stable operation in high-pressure, low-oxygen environments.

High Reliability Design:

• Built-in hardware watchdog chip with automatic recovery function, dual SIM card support, and multiple link detection methods ensure stable communication links.
• Passes IEC 61000 series standards for surge, electrostatic protection, and anti-interference tests, ensuring reliable operation in harsh electromagnetic environments.

High-Altitude Signal Adaptability:

• Equipped with high-gain antenna interfaces, dual SIM card support, and multiple link detection methods, ensuring stable network connections in areas with poor signal coverage.
• Multi-link backup mechanisms and robust anti-drop mechanisms guarantee uninterrupted network operation, maintaining stable communication even in weak or intermittent signal conditions.

industrial 4G router-sr500

4. High-Altitude Operational Characteristics

Protection Capabilities:

• Metal casing and fanless natural cooling design provide excellent shock and vibration resistance.
• IP30 protection level prevents dust and other particles from entering.
• Passes IEC 61000 series standards for surge, electrostatic protection, and anti-interference tests, ensuring reliable operation in harsh electromagnetic environments.

5. Device Advantages

Versatile Interfaces: Rich network and serial interfaces meet various application needs.
High Reliability Design: Dual SIM cards, multi-link backup, and watchdog chip ensure long-term fault-free operation.
Strong Protection Capabilities: Metal casing and high protection level, suitable for harsh high-altitude environments.